Install grunt-cli before running install

services/web/.travis.yml

@@ -1,10 +1,17 @@
 language: node_js
 
+node_js:
+    - "0.10"
+
+before_install:
+    - npm install -g grunt-cli
+
 install:
     - npm install
     - grunt install
 
-script: grunt test:unit
+script:
+    - grunt test:unit
 
 services:
     - redis-server